| Citation: | HE F D，WU B，LI Z R. Zone loading technology for aircraft load calibration test[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（10）：2867-2872 （in Chinese） doi: 10.13700/j.bh.1001-5965.2021.0742
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The consistency of the applied load with or proximity to the actual load on the wing directly affects the load measurement’s accuracy. Due to local strength restrictions, it is challenging to increase the load level during the load calibration test. Additionally, two-way loading cannot be accomplished at the same time, and the accuracy of the torque load measurement is low.This paper carried out the research on the zone loading technology of the load calibration test. Through test parts design and bonding process research, ground verification test, on-board verification test, etc., for the first time, two-way simultaneous loading was realized in the aircraft load calibration test, and the calibration load level was greatly increased. Applied research has been carried out in the calibration test of a certain type of regional aircraft, and good test results have been obtained.
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